Talib Kweli has surprise-released a new rarities album featuring guests Kanye West, Common and Killer Mike.

Ollie Millington/Redferns

Rapper Talib Kweli has surprise-released a new compilation of rare tracks, B-sides and previously unheard recordings. The 10-track Train of Thought: Lost Lyrics, Rare Releases & Beautiful B-Sides Vol. 1 features guest appearances from Kanye West, Killer Mike, Common, Consequence, Yasiin Bey (formerly Mos Def), along with production from West, Hi-Tek, DJ Quik and Dave West, as Okayplayer reports. A digital version of the album is available to purchase at Kweli’s website.

Train of Thought includes material recorded for various projects throughout Kweli’s career, including “Bright as the Stars,” an unreleased track from Black Star, his collaboration with Bey. The West-produced all-star collaboration “Wack Niggaz” features guest verses from West, Common and Consequence.

Related

Kweli’s last studio album of new material, Gravitas, was released in 2013, and he followed last year with the live album P.O.C. Live! In February, the politically conscious rapper helped raise over $100,000 to support activists protesting in Ferguson, Missouri following the deadly shooting of Michael Brown.

Kweli has live dates scheduled throughout July – he will perform next in Milwaukee on Friday, July 10th.